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Crop Factor TRUTH: Do you need Full Frame?

2/09/2019 ISO 1200 Magazine 0 Comments

Crop Factor TRUTH: Do you need Full Frame?

The same lens produces different results on cameras with different sized sensors. As a result, it can be tough to cross-shop Micro Four-Thirds, APS-C, Full Frame, and Medium Format cameras.

Crop Factor is a conversion that makes it simple to determine the exact results you'll get with any given lens, regardless of your camera's sensor size.

Crop Factor TRUTH: Do you need Full Frame?

 By multiplying your camera's crop factor by a lens' focal length AND aperture, you can determine the full frame equivalent angle of view, depth-of-field (background blur) and a good estimate of the low-light noise.

Here are common crop factors:

1X: Full-frame cameras
1.5X: APS-C cameras
1.6X: Canon APS-C
2X: Micro four-thirds (M43)

For more information and to see the previous crop factor and equivalency videos, see

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